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KEY FACTS
Imaging
Pathology
Clinical Issues
TERMINOLOGY
Synonyms
Apical aortic conduit; apicoaortic conduit
Apicoaortic bypass
Definitions
Extraanatomic valved graft connecting left ventricular apex to descending thoracic aorta
Typically used in patients with severe aortic stenosis and porcelain aorta or other condition precluding median sternotomy (e.g., retrosternal coronary grafts)
Complex congenital left ventricular outflow tract anomalies ± hypoplastic ascending aorta and arch
IMAGING
General Features
Imaging Recommendations
Radiographic Findings
CT Findings
MR Findings
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
CLINICAL ISSUES
Demographics
Natural History & Prognosis
Treatment
DIAGNOSTIC CHECKLIST
Consider
Image Interpretation Pearls
Selected References
Perlman GY et al: First transcatheter valve-in-valve implantation in an apicoaortic conduit. Catheter Cardiovasc Interv. 91(7):E86-9, 2018
Jneid H et al: Transcatheter aortic valve replacement as a treatment for late apicoaortic conduit obstruction in a patient with severe aortic stenosis. Circulation. 127(11):e491-4, 2013
Domoto S et al: Apicoaortic bypass for a patient with structural valve deterioration of a 19 mm bioprosthetic valve. Interact Cardiovasc Thorac Surg. 14(1):105-7, 2012
Filsoufi F et al: Apicoaortic conduit. Semin Thorac Cardiovasc Surg. 24(3):202-5, 2012
Nance JW et al: Apicoaortic conduits: indications, complications, and imaging techniques. J Thorac Imaging. 27(3):141-7, 2012
Elmistekawy E et al: Apico-aortic conduit for severe aortic stenosis: technique, applications, and systematic review. J Saudi Heart Assoc. 22(4):187-94, 2010
Faletra F et al: Multidetector computed tomography image of apical left ventricular descending aorta conduit. Heart. 93(4):449, 2007
Chiu KM et al: Images in cardiovascular medicine. Left ventricle apical conduit to bilateral subclavian artery in a patient with porcelain aorta and aortic stenosis. Circulation. 113(9):e388-9, 2006
Brown JW et al: Long-term results of apical aortic conduits in children with complex left ventricular outflow tract obstruction. Ann Thorac Surg. 80(6):2301-8, 2005
Freeman LJ et al: The longest functioning apical left ventricular to descending aortic valve conduit. Ann Thorac Surg. 79(4):1420, 2005
Fogel MA et al: Evaluation and follow-up of patients with left ventricular apical to aortic conduits with 2D and 3D magnetic resonance imaging and Doppler echocardiography: a new look at an old operation. Am Heart J. 141(4):630-6, 2001
Renzulli A et al: Long-term results of apico-aortic valved conduit for severe idiopathic hypertrophic subaortic stenosis. Tex Heart Inst J. 27(1):24-8, 2000
Related Anatomy
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Related Differential Diagnoses
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References
Tables
Tables
KEY FACTS
Imaging
Pathology
Clinical Issues
TERMINOLOGY
Synonyms
Apical aortic conduit; apicoaortic conduit
Apicoaortic bypass
Definitions
Extraanatomic valved graft connecting left ventricular apex to descending thoracic aorta
Typically used in patients with severe aortic stenosis and porcelain aorta or other condition precluding median sternotomy (e.g., retrosternal coronary grafts)
Complex congenital left ventricular outflow tract anomalies ± hypoplastic ascending aorta and arch
IMAGING
General Features
Imaging Recommendations
Radiographic Findings
CT Findings
MR Findings
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
CLINICAL ISSUES
Demographics
Natural History & Prognosis
Treatment
DIAGNOSTIC CHECKLIST
Consider
Image Interpretation Pearls
Selected References
Perlman GY et al: First transcatheter valve-in-valve implantation in an apicoaortic conduit. Catheter Cardiovasc Interv. 91(7):E86-9, 2018
Jneid H et al: Transcatheter aortic valve replacement as a treatment for late apicoaortic conduit obstruction in a patient with severe aortic stenosis. Circulation. 127(11):e491-4, 2013
Domoto S et al: Apicoaortic bypass for a patient with structural valve deterioration of a 19 mm bioprosthetic valve. Interact Cardiovasc Thorac Surg. 14(1):105-7, 2012
Filsoufi F et al: Apicoaortic conduit. Semin Thorac Cardiovasc Surg. 24(3):202-5, 2012
Nance JW et al: Apicoaortic conduits: indications, complications, and imaging techniques. J Thorac Imaging. 27(3):141-7, 2012
Elmistekawy E et al: Apico-aortic conduit for severe aortic stenosis: technique, applications, and systematic review. J Saudi Heart Assoc. 22(4):187-94, 2010
Faletra F et al: Multidetector computed tomography image of apical left ventricular descending aorta conduit. Heart. 93(4):449, 2007
Chiu KM et al: Images in cardiovascular medicine. Left ventricle apical conduit to bilateral subclavian artery in a patient with porcelain aorta and aortic stenosis. Circulation. 113(9):e388-9, 2006
Brown JW et al: Long-term results of apical aortic conduits in children with complex left ventricular outflow tract obstruction. Ann Thorac Surg. 80(6):2301-8, 2005
Freeman LJ et al: The longest functioning apical left ventricular to descending aortic valve conduit. Ann Thorac Surg. 79(4):1420, 2005
Fogel MA et al: Evaluation and follow-up of patients with left ventricular apical to aortic conduits with 2D and 3D magnetic resonance imaging and Doppler echocardiography: a new look at an old operation. Am Heart J. 141(4):630-6, 2001
Renzulli A et al: Long-term results of apico-aortic valved conduit for severe idiopathic hypertrophic subaortic stenosis. Tex Heart Inst J. 27(1):24-8, 2000
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